Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7593682 | Image forming apparatus, image forming method, and process cartridge | Kenji Sugiura, Takuya Seshita, Daichi Yamaguchi | 2009-09-22 |
| 7505728 | Lubricant applying unit, process cartridge, image forming apparatus, and image forming method | Daichi Yamaguchi, Kenji Sugiura, Takuya Seshita, Katsuhiko Tani, Yumiko Yagi | 2009-03-17 |
| 7496324 | Lubricant applying unit and image forming apparatus | Kenji Sugiura, Daichi Yamaguchi, Takuya Seshita | 2009-02-24 |
| 7383013 | Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged | Kazuhiko Watanabe, Kenji Sugiura, Yasushi Nakazato, Kazuhito Watanabe, Masahiko Shakuto +6 more | 2008-06-03 |
| 7295788 | Image forming apparatus and process cartridge | Hiroshi Nakai, Yasuo Suzuki, Nozomu Tamoto, Kazahiko Watanabe, Kohichi Ohshima +3 more | 2007-11-13 |
| 7251437 | Image formation apparatus having a body to be charged with specified properties and including the use of a protective material | Nozomu Tamoto, Tetsuro Suzuki, Yasuo Suzuki, Kazuhiko Watanabe, Hiroshi Nakai +3 more | 2007-07-31 |
| 7251438 | Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged | Kazuhiko Watanabe, Kazuhito Watanabe, Yasuo Suzuki, Nozomu Tamoto, Hiroshi Nakai +1 more | 2007-07-31 |
| 7209699 | Lubricant applying unit, process cartridge, image forming apparatus, and image forming method | Daichi Yamaguchi, Kenji Sugiura, Takuya Seshita, Katsuhiko Tani, Yumiko Yagi | 2007-04-24 |
| 7113726 | Charging device, image forming process cartridge, and image forming apparatus including the charging device | Kenji Sugiura | 2006-09-26 |
| 7103301 | Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged | Kazuhiko Watanabe, Kazuhito Watanabe, Yasuo Suzuki, Nozomu Tamoto, Hiroshi Nakai +2 more | 2006-09-05 |
| 7058335 | Process cartridge and image forming apparatus with toner fed cleaning mode | Kenji Sugiura, Nekka Matsuura, Yasushi Nakazato, Kazuhito Watanabe, Noriyoshi Tarumi | 2006-06-06 |
| 6987944 | Cleaning device and image forming apparatus using the cleaning device | Masahiko Shakuto, Yasushi Nakazato, Osamu Naruse, Naomi Sugimoto, Kenji Sugiura +1 more | 2006-01-17 |
| 6721523 | Charging device, image forming unit and image forming device | Kenji Sugiura, Yasushi Nakazato, Tohru Nakano | 2004-04-13 |
| 6398345 | Image forming method and an apparatus for the same, and a cleaning device | Katsuo Sakai, Kiyoshi Ohshima, Osamu Endo, Per Klockar, Minoru Suzuki +1 more | 2002-06-04 |
| 6366751 | Image forming apparatus including preselected range between charge injection layer and voltage potential | Masahiko Shakuto, Tsukuru Kai, Hidetoshi Yano, Hiroshi Ikuno, Kei Yasutomi +3 more | 2002-04-02 |
| 5955228 | Method and apparatus for forming a powder image | Katsuo Sakai, Osamu Endo, Masami Kadonaga | 1999-09-21 |
| 5208607 | Thermal recording method using drive signal pulse widths changed at time intervals within thermal head temperature measuring time intervals | Takeo Ohashi | 1993-05-04 |
| 5040206 | Communication apparatus having driving mechanism and speaker-phone | Shinichi Nishimura | 1991-08-13 |
| 4614949 | Transfer-type thermal printer | Kunio Hakkaku, Yoh Matsushita, Toshio Yamamoto | 1986-09-30 |